Bears vs. Bengals

Platform comparison

Market context

The Bears and Bengals meet in a preseason NFL game in Cincinnati, with the exchange pricing Chicago as the likelier winner and the market leaning even more strongly to Bears than most sportsbooks. ESPN’s live moneyline had Chicago around -180 and Cincinnati around +150 late on 22 August, implying roughly a 64% Bears win chance before vig, while a prediction-market listing showed the Bears nearer 55% and the Bengals 46%; the contract’s 70% YES therefore sits above both and points to a relatively bullish read on Chicago compared with the wider market. [1][9][12]

That gap is easier to read in a preseason context, where line-ups and snap counts can move sharply after late team news. Coverage ahead of the game noted the clubs had a joint practice in Cincinnati, and Kalshi’s preview highlighted that Bears quarterback Caleb Williams was likely to sit, which would usually pull pricing towards greater volatility rather than a clean favourite at the close.[12][14] Traders should watch final inactive lists, any last-minute confirmation on quarterback usage, and whether the game is completed as scheduled, because postponement would keep the market open and a tie or cancellation would force a 50-50 settlement. [1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Bears vs. Bengals across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.